J Korean Orthop Assoc.  2014 Apr;49(2):107-117. 10.4055/jkoa.2014.49.2.107.

Navigation Guided Open Wedge High Tibial Osteotomy

  • 1Department of Orthopaedic Surgery, Center for Joint Disease, Chonnam National University Hwasun Hospital, Hwasun, Korea. eksong@chonnam.ac.kr


Navigation systems are currently being widely used in orthopedic surgery. The mechanical axis alignment can be judged accurately via a navigation system. High tibial osteotomy (HTO) is a procedure that aims to change the mechanical axis of the lower limb, transferring the body weight across healthy articular cartilage. Several studies have shown that accurate correction is the leading predictor for success. And, by using a navigation system, accurate multiplane measurements of the lower limb alignment can be performed intraoperatively in real time, and alignment adjustments can be made as the surgeon desires. Compared with the conventional cable-method, computer navigation significantly improves the accuracy of postoperative leg axis, reduces correction variability with fewer outliers, and reduces radiation time. This paper reviews the advantages, clinical results, complications, pitfalls, and posterior tibial slope control in navigation guided open wedge HTO.


navigation; computer-assisted surgery; knee; osteotomy
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